More public drives can be found at Community Blood Center of the Carolinas’ web site www.cbcc.us. CBCC has donation centers in Charlotte, Concord, Gastonia, Hickory, and Union County. Call 704-972-4700 or go to www.carolinadonor.org to make an appointment at any location. *Please note the Community Blood Center of the Carolinas' minimum weight requirement for blood donors is 120 pounds.